LCD-Related Symptoms

 

 

 

Important

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

 

TFT

LCD for the notebook computer

contains

over 921,000 thin-film transistors (TFTs). A small

number

of

missing,

discolored,

or

lighted

dots

the time) is characteristic of TFT LCD technolo

excessive

pixel

problems

can

cause

 

viewing con

The LCD should be replaced if the number of

discolored,

 

 

or

 

lighted

dots

in

any21 backgroundor

more .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

/

Error

 

 

 

 

 

 

FRU

/

 

Action

in

Sequence

 

 

 

 

 

 

 

 

 

 

 

 

No beep, power-on

indicator1. Reseat

the

CPU

Card

 

 

 

on,

and

a blank

LCD

during

2.

 

DC/DC card

 

 

 

 

 

POST.

 

 

 

 

 

 

 

 

 

 

3.

 

System board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

 

LCD

backlight

 

not

 

1. Reseat

the

LCD

 

 

 

 

 

 

 

working.

 

 

 

 

 

 

 

connectors.

 

 

 

 

 

 

 

2.

 

LCD

too

dark.

 

 

 

2.

 

LCD assembly

 

 

 

 

3.

 

LCD

brightness

cannot

 

3.

 

System board

 

 

 

 

 

be

adjusted.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

 

LCD

contrast

cannot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

be

adjusted.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

 

The

LCD

 

screen

is

1. See

important

note

 

 

 

 

 

 

unreadable.

 

 

 

 

for

“LCD-Related

 

 

 

 

 

2.

 

Some

pels

missing

in

 

Symptoms.”

 

 

 

 

 

 

 

 

 

characters.

 

 

 

2.

Reseat

all

LCD

 

 

3.

 

The

screen

is

 

 

connectors.

 

 

 

 

 

 

 

abnormal.

 

 

 

 

 

 

 

3.

 

LCD assembly

 

 

 

 

4. Wrong color displayed. 4.

 

System board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD

has

extra

horizontal LCDor assembly

 

 

 

 

 

 

 

 

vertical

lines

displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Peripheral-Device-Related Symptoms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

/

Error

 

 

 

 

 

 

FRU

/

 

Action

in

Sequence

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

 

external

 

 

monitor

doesConnect

 

the

external

 

 

 

 

 

not

work

correctly.

 

monitor

 

to

another

PC.

If

 

 

 

 

 

 

 

 

 

 

 

 

 

the

monitor

works

fine,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

replace

the

system

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

If

not,

replace

the

external

 

 

 

 

 

 

 

 

 

 

 

 

 

monitor .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printer

problems.

 

 

 

1. Run

printer

self-test .

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Parallel

port

 

wrap

 

test.

 

 

 

 

 

 

 

 

 

 

 

 

3.

 

System board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

 

Printer cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(See

 

the

printer

manual

 

for

 

 

 

 

 

 

 

 

 

 

 

the

above

tests.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

46 IBM ThinkPad 380XD, 385XD

Page 54
Image 54
IBM THINKPAD 385XD (2635) manual LCD-Related Symptoms, More, Monitor, Self-test

THINKPAD 385XD (2635) specifications

The IBM ThinkPad 385XD (2635) is a classic laptop that emerged in the late 1990s, designed to cater to business professionals and technology enthusiasts alike. Known for its robust engineering and solid performance, the 385XD encapsulated the trusted ThinkPad ethos that IBM established in the laptop market.

This model features a 13.3-inch TFT display that provides a resolution of 800x600 pixels, which was considered adequate for its time. The screen delivers decent image quality and is well-suited for productivity tasks, allowing users to comfortably work on documents, presentations, and spreadsheets. The ThinkPad 385XD boasts a compact and lightweight design, making it portable for professionals on the go.

Under the hood, the 385XD is powered by Intel's Pentium MMX processor, offering clock speeds up to 233 MHz. This CPU, coupled with the laptop’s 32MB of RAM, delivers satisfactory performance for typical office applications and multitasking needs at the time. For enhanced productivity, the system supports an upgrade of up to 128MB of RAM, allowing users to improve performance as software demands increased.

One of the notable features of the ThinkPad 385XD is its generous storage options. It typically comes equipped with a 2.1GB hard drive, which can be upgraded for additional capacity. In terms of connectivity, the laptop includes a variety of ports such as USB, Serial, Parallel, and an infrared port, promoting connectivity with peripheral devices and other machines.

IBM's ThinkPad series is known for its exceptional keyboard design, and the 385XD is no exception. The keyboard is full-sized and features a well-spaced layout, providing a comfortable typing experience. The iconic TrackPoint pointing device offers an alternative to the traditional touchpad, enabling precise navigation without needing to lift one’s hands off the keyboard.

In terms of battery life, the IBM ThinkPad 385XD typically supports a Lithium-Ion battery that can provide a moderate runtime, making it suitable for users who need to work away from power sources. Furthermore, the laptop’s build quality is reinforced by its use of durable materials, ensuring that it can withstand the rigors of daily usage.

Overall, the IBM ThinkPad 385XD (2635) represents a significant era in portable computing, offering essential features and performance that catered to the needs of users during the late 90s. Its legacy as a dependable and robust laptop continues to resonate with collectors and retro computing enthusiasts today.